test/charts/types/donut-chart.spec.js
import chai from 'chai'
import * as donut_chart_data from './donut-chart.data'
import DonutChart from '../../../src/charts/types/donut-chart'
var assert = chai.assert
/**
* Tests for DonutChart class
* @test {DonutChart}
*/
describe('DonutChart', function () {
/**
* Test to check the constructor behaviour with invalid data
* @test {DonutChart#constructor}
*/
describe('constructor', function () {
it('should throw an InvalidGrammarError', function () {
assert.throw(function () {
new DonutChart('')
})
})
})
/**
* Test to check the constructor behaviour with valid data
* @test {DonutChart#constructor}
*/
describe('constructor', function () {
it('should do nothing', function () {
delete donut_chart_data['default']
new DonutChart(JSON.stringify(donut_chart_data))
})
})
/**
* Test to check the do function behaviour with invalid data
* @test {DonutChart#do}
*/
describe('do', function () {
it('should throw an InvalidGrammarError', function () {
delete donut_chart_data['default']
let chart = new DonutChart(JSON.stringify(donut_chart_data))
assert.throw(function () {
chart.do('')
})
})
})
/**
* Test to check the do "Set title" function behaviour with valid data
* @test {DonutChart#do}
*/
describe('do', function () {
it('should generate the expected JSON string', function () {
delete donut_chart_data['default']
let chart = new DonutChart(JSON.stringify(donut_chart_data))
chart.do('set title as my-donut')
assert.equal(JSON.stringify(chart.generateJson()), JSON.stringify({
'size': {
'height': undefined,
'width': undefined
},
'data': {
'x': undefined,
'xs': {},
'columns': [['setosa', ...donut_chart_data.setosa],
['versicolor', ...donut_chart_data.versicolor],
['virginica', ...donut_chart_data.virginica]],
'names': {},
'types': {},
'groups': [],
'type': 'donut',
'labels': false
},
'point': {
'show': true
},
'axis': {
'rotated': false,
'x': {
'label': undefined,
'max': undefined,
'min': undefined
},
'y': {
'label': undefined,
'max': undefined,
'min': undefined
}
},
'grid': {
'x': {
'show': false,
'lines': []
},
'y': {
'show': false,
'lines': []
}
},
'legend': {
'show': true,
'position': 'bottom'
},
'tooltip': {
'show': true,
'grouped': true
},
'subchart': {
'show': false
},
'zoom': {
'enabled': false
},
'bar': {
'width': {
'ratio': undefined
}
},
'donut': {
'title': 'my-donut'
}
}))
})
})
})